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Assertion: Sclerenchyma consists of long narrow cells with thick lignified cell walls.
Reason: They are usually dead and without protoplasm.
  • a)
    If both Assertion and Reason are true and
    Reason is the correct explanation of Assertion.
  • b)
    If both Assertion and Reason are true but Reason
    is not the correct explanation of Assertion.q
  • c)
    If Assertion is true but Reason is false.
  • d)
    If both Assertion and Reason are false.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Assertion: Sclerenchyma consists of long narrow cells with thick ligni...
Sclerenchyma consists of long narrow cells with thick lignified cell walls having a few or numerous pits. They are usually dead and without protoplasm.
Free Test
Community Answer
Assertion: Sclerenchyma consists of long narrow cells with thick ligni...
Understanding Sclerenchyma
Sclerenchyma is a type of plant tissue that plays a crucial role in providing structural support.
Assertion Explanation
- Nature of Cells: Sclerenchyma cells are indeed long, narrow, and have thick lignified walls.
- Functionality: The thick walls are composed of lignin, which makes them rigid and strong, essential for supporting the plant body.
Reason Explanation
- Cell Vitality: Sclerenchyma cells are usually dead at maturity and lack protoplasm.
- Structural Role: The absence of protoplasm and the presence of thick walls allow these cells to focus solely on providing mechanical support.
Relationship Between Assertion and Reason
- Correct Explanation: The reason provided explains why the assertion holds true. The structure of sclerenchyma (long, narrow cells with thick walls) is directly linked to their functional role (providing support) and their state (typically dead without protoplasm).
Conclusion
- Given that both the assertion and reason are true, and the reason correctly explains the assertion, the correct answer is option A. The relationship between the structure and function of sclerenchyma is fundamental in understanding its role in plant biology.
This knowledge is essential for NEET aspirants to grasp the intricacies of plant tissue types and their functions.
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Assertion: Sclerenchyma consists of long narrow cells with thick lignified cell walls.Reason: They are usually dead and without protoplasm.a)If both Assertion and Reason are true andReason is the correct explanation of Assertion.b)If both Assertion and Reason are true but Reasonis not the correct explanation of Assertion.qc)If Assertion is true but Reason is false.d)If both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer?
Question Description
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